Soignies (French pronunciation: [swaɲi] ; Dutch: Zinnik, pronounced [ˈzɪnɪk]; Picard: Sougniye; Walloon: Sougniye) is a municipality of Wallonia located in the province of Hainaut, Belgium.
It consists of the following districts: Casteau, Chaussée-Notre-Dame-Louvignies, Horrues, Naast, Neufvilles, Soignies and Thieusies. Casteau is known worldwide because SHAPE, the military headquarters of NATO, has been based at the village since 1967.